US Bridges

Nfa A049 over Branch

Good

Dickson County, Tennessee · 0.1 M. W. SR48 · Structure no. 220A1050003

Built
1950
75 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
760
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A049 over Branch is a concrete continuous culvert carrying Nfa A049 over Branch in Dickson County, Tennessee. It was built in 1950, so it is 75 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 760 vehicles a day, roughly 2% of them trucks, projected to reach 1,216 by 2042. The structure is 25 ft (7.6 m) long and 21 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa A049
CrossesBranch
Location0.1 M. W. SR48
RouteCounty Highway 49
CountyDickson County
StateTennessee
Coordinates36.26636, -87.3581
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic760 (2020)
Projected traffic1,216 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$118,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A049 over Branch built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa A049 over Branch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Nfa A049 over Branch carry?

About 760 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A049 over Branch?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m) and a deck 21 ft wide.

Who owns Nfa A049 over Branch?

It is owned by the County Highway Agency.